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Evening everyone,

 

My Dad has a 2016 BMW F10 which appears to have an invisible coolant leak. It’s taken almost four litres of coolant over the past two months, requiring two, two litre fill ups. The car is still under warranty of course so it’ll be booked in, just wondered if anyone else has had a leak? 

 

Many thanks. 

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23 minutes ago, 535i Andrew said:

Get the dealer to do a pressure test. Could be anywhere really.

 

EGRs can leak but usually not as new as a 2 year old car. What mileage is on it?

 

Its done around 25k miles, he asked me to drive it the other day and it seems very very hesitant & jerky compared to mine, he’s had a fair few so knows what they should be like. As you say just seems odd that it should be dumping it’s coolant at two years old and not massive mileage. 

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I had something similar on a 3.0 Omega a couple of cars ago... turned out to be a pinhole in the top hose right where the metal of the hose mounting ended. No signs when cold but once hot the pressure caused the fluid to jet onto the hot exhaust manifold and it would instantly steam off, meaning no telltale to narrow down where to look.

I ended up with a hose constantly filling the expansion tank while the engine was running and the lower pressure allowed me to see the water jet and steam.

 

Short of using some form of colouring to try and highlight a leak, if similar it's a barsteward to find such leaks :angry:

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35 minutes ago, nashdm2 said:

My 2014 520d B47 has been in for an EGR campaign change due to the likelihood of it leaking. What engine has your father got in his?

 

Should’ve stated that, it is the B47 2.0. Funny his last 5 Series had that recall done. This one was serviced July last year so would’ve thought they’d have done it. Worth a call to the dealer. 

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Dropped my old mans car in to have his EGR done, took two days (can’t say I was surprised as the dealer also had my car in 8 times over 6 months to rectify a brake fault. However that’s another story). So picked the car up, got down the road EML comes on, ok call them back, couldn’t get back there this evening, go back in the morning, spoke to old man, unhappy but all ok dealer is 5 mins from work so makes it easier. On the journey home, thought I could hear some sort of whooshing noise, didn’t think much of it.

 

Half hour ago the noise is bugging me (not even my car but besides that), thought I’d pop out and have a look only to find a big turbo pipe not seated correctly on the car. 

 

Question is do I now drive it 25 miles to the dealer in the morning, or do I call BMW assist now? Every time I use this dealer I have issues (I know go elsewhere :lol:), but I want them to rectify it and I most certainly want something done, what yet I don’t know? 

 

Photo added, difficult to make out, but the green bit is a gasket and the pipe is obviously supposed to be connected. 

1332688C-8304-4FF4-9BCA-E39A78DDB363.jpeg

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Call assist first thing, say you have the light on and can see a large hose hanging from the engine underside following the repair yesterday. Ask them to trailor back to dealer if they cant reconnect or call/cc email your dealers Dealer Principal (they should give his email address out) and demand they sort it being picked up by trailor or warrant in writing that they will be responsible for any damage caused as a result of their clearly less than reasonable skill and effort with the previous repair if required to drive it in. Even if on the golf course this might get their attention.

 

They dont like pictures of shoddy repairs on social media either. An innocent but factual public post on their facebook page asking what you should do about this will help speed up a response, also kick off a complaint first thing with them. I got a response within an hour with these tactics for a paint/warranty issue. Sadly you just need to shout in every direction. 

 

Change dealer once resolved. Even our local dealer sounds better - and im no fan at all. 

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Ps if you can ask out of interest whether the egr recall covered 3.0l diesels that would be really interesting. I had to get mine done under warranty - with a chunky excess. Previous silent recalls for air con also only got done when i reported a fault. 

 

Now if it ought to have been free at the major service just prior to its three year birthday....that would be interesting.

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7 hours ago, SuperDave said:

Call assist first thing, say you have the light on and can see a large hose hanging from the engine underside following the repair yesterday. Ask them to trailor back to dealer if they cant reconnect or call/cc email your dealers Dealer Principal (they should give his email address out) and demand they sort it being picked up by trailor or warrant in writing that they will be responsible for any damage caused as a result of their clearly less than reasonable skill and effort with the previous repair if required to drive it in. Even if on the golf course this might get their attention.

 

They dont like pictures of shoddy repairs on social media either. An innocent but factual public post on their facebook page asking what you should do about this will help speed up a response, also kick off a complaint first thing with them. I got a response within an hour with these tactics for a paint/warranty issue. Sadly you just need to shout in every direction. 

 

Change dealer once resolved. Even our local dealer sounds better - and im no fan at all. 

 

 

This!

 

Although my experience of dealing with a Dealer Principal, was similar to using a a chocolate fire guard. Immediately things were fine but soon turned to something resembling melted chocolate but no where near as nice.

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Spoke to BMW Assist this morning, who to be honest were ok. However promised a call back within 10 mins, didn’t get one for over two hours. They advised car should be ok to drive, but due to seeing a pipe off wouldn’t really know what to suggest, so would recommend getting it recovered. I had an hour to get to work, by their own admission, they wouldn’t have been able to get me there on time, so I drove the car in, felt sluggish (understably) but it got there fine. 

 

Left with the dealer, so I’m awaiting what will be issued by the way of an apology, before kicking up a major fuss. I mean a full tank of fuel should be a minimum as the engine wouldn’t have been performing correctly surely? 

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Well, depreciation and petrol costs are relatively easy to calculate refund of that plus an amount for your time and hassle. Sounds like a free service, good luck with more than a full valet! 

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Well there was no full tank of fuel, however there was a £150 voucher to spend on whatever I would like. Certainly can’t grumble, and have to say well done to the service advisor & Service manager on this occasion. Car all rectified, nice gesture and a happy customer. 

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My coolant low level warning came on this afternoon on the M25. I was near Cobham so diverted into the BMW dealer there who fortunately were able to deal with "walk ins" at their service department. Excellent service by them.

 

Coolant topped up, but the service manager warned me that the B47 engine in my 2016 518d has a history of "internal leaks", that are being fixed by BMW even if the cars are out of warranty. Just as well as he said the labour alone is four hours.

 

I only had the car serviced three weeks ago, but whether the engineer bothered to check the coolant level is another matter.

 

My car was registered in May 2016 and has covered 38,000 miles.

 

 

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12 hours ago, 535i Andrew said:

Good result. 

 

Is your faith restored in that dealer? 

 

I’d love to say yes, but no it isn’t. As a sales place they’re brilliant, aftersales just isn’t as good. Their gesture is greatly appreciated it really is and does make up for the issue. However, it shouldn’t have had an issue in the first place. 

 

As said my car was previously in there 8-9 times over a 6 month period where I kept being told there was no fault, evidently in the end it was found. 

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For all the N47 had it’s rather major issues, I find the B47 a worse engine. I think it’s slightly noisier, without question I think it feels more sluggish higher up the Rev range too, and quite frankly fuel economy wise I find it worse too. It may well be other factors with the fuel side of things though. 

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2 minutes ago, Liam2594 said:

For all the N47 had it’s rather major issues, I find the B47 a worse engine. I think it’s slightly noisier, without question I think it feels more sluggish higher up the Rev range too, and quite frankly fuel economy wise I find it worse too. It may well be other factors with the fuel side of things though. 

 

Maybe we should go back to petrol?

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